Plasmonic Enhancement of Gold Nanoparticles in Poly(3-hexylthiophene) Organic Phototransistor

被引：23
|
作者：
Zakaria, Rozalina [1 ,3 ]
Lin, Woon Kai [2 ]
Lim, Chua Chong [2 ]
机构：
[1] Univ Malaya, Fac Sci, Dept Phys, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Fac Sci, Dept Phys, Low Dimens Mat Res Ctr, Kuala Lumpur 50603, Malaysia
[3] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
来源：
APPLIED PHYSICS EXPRESS | 2012年 / 5卷 / 08期
关键词：
RESONANCE;
D O I：
10.1143/APEX.5.082002
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report an alternative approach to enhance the photoresponsivity of an organic phototransistor by intergrating plasmonic active spherical gold nanoparticles into regio-regular poly(3-hexylthiophene) (P3HT). The photoresponsivity increases from 9 to 21 A/W at a gate voltage of +10 V under illumination of a solar simulator. It is attributed to the enhanced near-field absorption and exciton dissociation near the plasmonic active gold nanoparticles. (c) 2012 The Japan Society of Applied Physics
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页数：3
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